Native to:
Aldabra,
Algeria,
Angola,
Ascension,
Assam,
Azores,
Bangladesh,
Benin,
Botswana,
Burkina,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Congo,
Djibouti,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Free State,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf States,
Hainan,
India,
Inner Mongolia,
Ivory Coast,
Japan,
Kazan-retto,
Kenya,
Korea,
Kuril Is.,
Kuwait,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Lesser Sunda Is.,
Liberia,
Libya,
Madagascar,
Malaya,
Mali,
Manchuria,
Mauritania,
Mauritius,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
Niger,
Nigeria,
Northern Provinces,
Ogasawara-shoto,
Oman,
Pakistan,
Palestine,
Rodrigues,
Réunion,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Sinai,
Socotra,
Somalia,
South China Sea,
Sri Lanka,
Sudan,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Uganda,
Vietnam,
West Himalaya,
Xinjiang,
Yemen,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Andaman Is.,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Aruba,
Austria,
Bahamas,
Belize,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Bulgaria,
California,
Caroline Is.,
Cayman Is.,
Chile Central,
Chile North,
Colombia,
Connecticut,
Cook Is.,
Costa Rica,
Cuba,
Czechoslovakia,
Delaware,
District of Columbia,
Dominican Republic,
East European Russia,
Easter Is.,
Ecuador,
El Salvador,
Fiji,
Florida,
French Guiana,
Galápagos,
Georgia,
Great Britain,
Greece,
Guatemala,
Guyana,
Haiti,
Hawaii,
Honduras,
Illinois,
Indiana,
Iowa,
Italy,
Jamaica,
Jawa,
Kansas,
Kermadec Is.,
Leeward Is.,
Louisiana,
Madeira,
Marcus I.,
Marianas,
Marquesas,
Marshall Is.,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
Nauru,
Nebraska,
Netherlands Antilles,
New Caledonia,
New Guinea,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Nicaragua,
Nicobar Is.,
Niue,
Norfolk Is.,
North Carolina,
Northern Territory,
Ohio,
Oklahoma,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Phoenix Is.,
Portugal,
Primorye,
Puerto Rico,
Queensland,
Samoa,
Sardegna,
Society Is.,
Solomon Is.,
South Australia,
South Carolina,
Spain,
St.Helena,
Suriname,
Tasmania,
Tennessee,
Texas,
Tonga,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Turks-Caicos Is.,
Uruguay,
Utah,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Victoria,
Virginia,
Wake I.,
Wallis-Futuna Is.,
Western Australia,
Windward Is.